2" (52mm) Air/Fuel Ratio Gauge. Air/Fuel Gauge is a tuning tool that monitors your engines air to fuel mixture (Lean, Optimal, Rich), reading if any tuning is needed to maximize power and efficiency to your engine.

Thread Type: 1/8" NPT. Universal Liquid Filled Fuel Pressure / Oil Pressure Gauge. This Is A Pressure Gauge Works off of Pressure (NOT VACUUM) . User must follow the direction given and any misuse of this product is at his/her own risk.

2" (52mm) Air/Fuel Ratio Gauge. Air/Fuel Gauge is a tuning tool that monitors your engines air to fuel mixture (Lean, Optimal, Rich), reading if any tuning is needed to maximize power and efficiency to your engine.

Adjustable Setting For Shift Light. Shift Light Included! 0 - 11,000 RPM Readings. NO Problem! Mistakes do happen. We do not make the products, installation instructions are not included in most cases.

1 x Marine Fuel Level Indicator. Suitable for all kinds of fuel sensors, and display the liquid level of the fuel tank. Installation: Lock the gauge to baseboard directly by hand. We will reply you within 24- 48 hours.

Suitable for all kinds of fuel sensors, and display the liquid level of the fuel tank. Installation: Lock the gauge to baseboard directly by hand. 1 x Marine Fuel Level Indicator. Protection Grade: IP67; can work up to 1m under water.

1 x Marine Fuel Level Indicator. Suitable for all kinds of fuel sensors, and display the liquid level of the fuel tank. Installation: Lock the gauge to baseboard directly by hand. We will reply you within 24- 48 hours.

1 x Marine Fuel Level Indicator. Suitable for all kinds of fuel sensors, and display the liquid level of the fuel tank. Installation: Lock the gauge to baseboard directly by hand. We will reply you within 24- 48 hours.

1 x Marine Fuel Level Indicator. Suitable for all kinds of fuel sensors, and display the liquid level of the fuel tank. Installation: Lock the gauge to baseboard directly by hand. We will reply you within 24- 48 hours.

1 x Marine Fuel Level Indicator. Suitable for all kinds of fuel sensors, and display the liquid level of the fuel tank. Installation: Lock the gauge to baseboard directly by hand. We will reply you within 24- 48 hours.